 /*******************************************************************************
  * Copyright (c) 2004 IBM Corporation and others.
  * All rights reserved. This program and the accompanying materials
  * are made available under the terms of the Eclipse Public License v1.0
  * which accompanies this distribution, and is available at
  * http://www.eclipse.org/legal/epl-v10.html
  *
  * Contributors:
  * IBM Corporation - initial API and implementation
  *******************************************************************************/
 package org.eclipse.osgi.framework.adaptor.core;

 import org.eclipse.osgi.service.resolver.BundleDescription;
 import org.osgi.framework.BundleException;

 /**
  * A bundle installer allows the platform admin implementation to
  * delegate the behavior of installing/uninstalling bundles to
  * another object.
  * <p>
  * Clients may implement this interface.
  * </p>
  * @since 3.1
  * @see StateManager#commit
  */
 public interface BundleInstaller {
     /**
      * Installs a bundle associated with the specified BundleDescription
      * @param toInstall the BundleDescription associated with the bundle to install
      * @throws BundleException if an error occurs while installing the bundle
      */
     public void installBundle(BundleDescription toInstall) throws BundleException;

     /**
      * Uninstalls a bundle associated with the specified BundleDescription
      * @param toUninstall the BundleDescriptoin associated with the bundle to uninstall
      * @throws BundleException if an error occurs while uninstalling the bundle
      */
     public void uninstallBundle(BundleDescription toUninstall) throws BundleException;

     /**
      * Updates a bundle associated with the specified BundleDescription
      * @param toRefresh the BundleDescription associated with the bundle to update
      * @throws BundleException if an error occurs while updating the bundle
      */
     public void updateBundle(BundleDescription toRefresh) throws BundleException;
 }

